procedure
TFrm_test.initList;
var
idx, i, k, x, y, l: integer;
p, fn:
string
;
bmp: TBitmap;
BColor, NowColor: TColor;
begin
p :
=
ExtractFilePath(Application.ExeName);
bmp :
=
TBitmap.Create;
for
i :
=
0
to
9
do
begin
fn :
=
p
+
'
\CodeBmp\
'
+
IntToStr(i)
+
'
.bmp
'
;
if
not
FileExists(fn)
then
Continue;
idx :
=
length(PointRecList);
SetLength(PointRecList, idx
+
1
);
PointRecList[idx].Code :
=
IntToStr(i);
bmp.LoadFromFile(fn);
BColor :
=
bmp.Canvas.Pixels[
0
, bmp.Height
-
1
];
for
x :
=
0
to
bmp.Width
-
1
do
for
y :
=
0
to
bmp.Height
-
1
do
begin
NowColor :
=
bmp.Canvas.Pixels[x, y];
if
NowColor
<>
BColor
then
begin
l :
=
length(PointRecList[idx].PointList);
SetLength(PointRecList[idx].PointList, l
+
1
);
PointRecList[idx].PointList[l].x :
=
x;
PointRecList[idx].PointList[l].y :
=
y;
end
;
end
;
end
;
FreeAndNil(bmp);
//
end
;
function
getCode_Bmp(
const
bmp: TBitmap; strLen: integer;
PointRecList:
array
of
TPointRec):
string
;
var
j, i, l, x, y, x0, xS, beginx: integer;
BColor, NowColor: TColor;
PointList:
array
of
TPoint;
function
getCode:
string
;
var
maxCount, k, m, j, i: integer;
begin
Result :
=
'
?
'
;
if
length(PointList)
<
3
then
exit;
maxCount :
=
0
;
for
i :
=
0
to
high(PointRecList)
do
begin
if
length(PointRecList[i].PointList)
<
3
then
Continue;
m :
=
0
;
for
k :
=
1
to
high(PointList)
do
begin
for
j :
=
1
to
high(PointRecList[i].PointList)
do
if
((PointList[k].x
-
PointList[
0
].x)
=
(PointRecList[i].PointList[j].x
-
PointRecList[i].PointList[
0
].x)
)
and
((PointList[k].y
-
PointList[
0
].y)
=
(PointRecList[i].PointList[j].y
-
PointRecList[i].PointList[
0
].y)
)
then
begin
inc(m);
Break;
end
;
end
;
m :
=
m
*
100
div
(length(PointList)
-
1
);
if
m
>
maxCount
then
begin
Result :
=
PointRecList[i].Code;
maxCount :
=
m;
end
;
end
;
end
;
begin
Result :
=
'
'
;
BColor :
=
bmp.Canvas.Pixels[
0
, bmp.Height
-
1
];
x0 :
=
0
;
xS :
=
bmp.Width
div
strLen;
for
i :
=
0
to
strLen
-
1
do
begin
beginx :
=
x0
+
xS
*
i;
SetLength(PointList,
0
);
for
j :
=
0
to
xS
-
1
do
begin
x :
=
beginx
+
j;
for
y :
=
0
to
bmp.Height
-
1
do
begin
NowColor :
=
bmp.Canvas.Pixels[x, y];
if
NowColor
<>
BColor
then
begin
l :
=
length(PointList);
SetLength(PointList, l
+
1
);
PointList[l].x :
=
x;
PointList[l].y :
=
y;
end
;
end
;
end
;
Result :
=
Result
+
getCode;
end
;
end
;
